4217982 has 16 divisors (see below), whose sum is σ = 8473872. Its totient is φ = 1399680.

The previous prime is 4217971. The next prime is 4217987. The reversal of 4217982 is 2897124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4217987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 2904.

It is an arithmetic number, because the mean of its divisors is an integer number (529617).

Almost surely, 2^4217982 is an apocalyptic number.

4217982 is an abundant number, since it is smaller than the sum of its proper divisors (4255890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4217982 is a wasteful number, since it uses less digits than its factorization.

4217982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163.

The product of its digits is 8064, while the sum is 33.

The square root of 4217982 is about 2053.7726261687. The cubic root of 4217982 is about 161.5727960857.

The spelling of 4217982 in words is "four million, two hundred seventeen thousand, nine hundred eighty-two".